An insult. You call a person a decepticon if you they have done something nasty to you or they have are not allowing you to do something.Used as a substitue for the word evil .
by Autobot Ninja October 02, 2009
A Swear in Transformers Animated.Slag is used instead of a swear word.Mainly used by the youngest robot Bumblebee.Can also be used in the past and future tense.
by Autobot Ninja October 02, 2009